John Shelby Spong was the Episcopal bishop of Newark before his retirement in 2000. As a leading spokesperson for an open, scholarly, and progressive Christianity, Bishop Spong has taught at Harvard and at the Graduate Theological Union in Berkeley, California. He has also lectured at universities, conference centers, and churches in North America, Europe, Asia, and the South Pacific. His books include: A New Christianity for a New World, Rescuing the Bible from Fundamentalism, Resurrection: Myth or Reality? Why Christianity Must Change or Die, and his autobiography, Here I Stand.
Figures are often confusing and not clearly drawn. This is a big minus because visualization of the concepts is key to understanding.
Approach and order of concepts is well laid out. However, examples could have more steps--it is tough to follow when steps in linear algebra are skipped.